diff --git a/web/app/globals.css b/web/app/globals.css
index 7e93dfb2..465c429d 100644
--- a/web/app/globals.css
+++ b/web/app/globals.css
@@ -773,3 +773,250 @@ body {
   margin: 0;
   line-height: 1.5;
 }
+
+/* Auth/nav */
+
+.navbar {
+  justify-content: space-between;
+}
+
+.nav-auth {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  margin-left: auto;
+  padding-left: 1.5rem;
+  flex-shrink: 0;
+}
+
+.nav-greeting {
+  font-weight: 600;
+  white-space: nowrap;
+}
+
+.nav-register-btn {
+  background: white;
+  color: orange !important;
+  font-weight: 600;
+  border-radius: 20px;
+  padding: 0.4rem 1rem !important;
+}
+
+.nav-register-btn:hover {
+  background: #fff3e0 !important;
+}
+
+.nav-logout-btn {
+  background: rgba(255, 255, 255, 0.2);
+  color: white;
+  border: 1px solid rgba(255, 255, 255, 0.6);
+  border-radius: 20px;
+  padding: 0.35rem 1rem;
+  font-size: 0.95rem;
+  cursor: pointer;
+  transition: background 0.2s ease;
+  white-space: nowrap;
+}
+
+.nav-logout-btn:hover {
+  background: rgba(255, 255, 255, 0.35);
+}
+
+/* Login/Register */
+
+.auth-page {
+  min-height: calc(100vh - 70px);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 2rem 1rem;
+  background: #fafafa;
+}
+
+.auth-card {
+  background: white;
+  border-radius: 16px;
+  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
+  padding: 2.5rem;
+  width: 100%;
+  max-width: 440px;
+}
+
+.auth-title {
+  font-size: 1.75rem;
+  font-weight: 700;
+  color: #222;
+  margin: 0 0 1.5rem;
+  text-align: center;
+}
+
+.auth-form {
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+}
+
+.auth-label {
+  display: flex;
+  flex-direction: column;
+  gap: 0.35rem;
+  font-size: 0.9rem;
+  font-weight: 600;
+  color: #444;
+}
+
+.auth-input {
+  padding: 0.6rem 0.85rem;
+  border: 1px solid #ddd;
+  border-radius: 8px;
+  font-size: 1rem;
+  transition: border-color 0.2s ease, box-shadow 0.2s ease;
+  outline: none;
+}
+
+.auth-input:focus {
+  border-color: orange;
+  box-shadow: 0 0 0 3px rgba(255, 165, 0, 0.2);
+}
+
+.auth-submit-btn {
+  margin-top: 0.5rem;
+  padding: 0.75rem;
+  background: orange;
+  color: white;
+  border: none;
+  border-radius: 8px;
+  font-size: 1rem;
+  font-weight: 700;
+  cursor: pointer;
+  transition: background 0.2s ease, transform 0.1s ease;
+}
+
+.auth-submit-btn:hover:not(:disabled) {
+  background: #e69500;
+}
+
+.auth-submit-btn:active:not(:disabled) {
+  transform: scale(0.98);
+}
+
+.auth-submit-btn:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+.auth-error {
+  background: #fff0f0;
+  border: 1px solid #f5c6c6;
+  color: #c0392b;
+  border-radius: 8px;
+  padding: 0.65rem 1rem;
+  font-size: 0.9rem;
+  margin-bottom: 0.5rem;
+}
+
+.auth-switch {
+  text-align: center;
+  font-size: 0.9rem;
+  color: #666;
+  margin-top: 1.25rem;
+}
+
+.auth-switch-link {
+  color: orange;
+  font-weight: 600;
+  text-decoration: none;
+}
+
+.auth-switch-link:hover {
+  text-decoration: underline;
+}
+
+/* User Profile Page */
+
+.profile-card {
+  background: white;
+  border-radius: 16px;
+  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
+  padding: 2.5rem;
+  width: 100%;
+  max-width: 480px;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 0.75rem;
+}
+
+.profile-avatar-circle {
+  width: 80px;
+  height: 80px;
+  border-radius: 50%;
+  background: orange;
+  color: white;
+  font-size: 2rem;
+  font-weight: 700;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  margin-bottom: 0.25rem;
+}
+
+.profile-name {
+  font-size: 1.5rem;
+  font-weight: 700;
+  color: #222;
+  margin: 0;
+}
+
+.profile-role-badge {
+  display: inline-block;
+  background: #fff3e0;
+  color: #e67e00;
+  border: 1px solid #ffd180;
+  border-radius: 20px;
+  padding: 0.2rem 0.85rem;
+  font-size: 0.8rem;
+  font-weight: 700;
+  letter-spacing: 0.05em;
+  text-transform: uppercase;
+}
+
+.profile-fields {
+  width: 100%;
+  margin: 0.75rem 0 0;
+  border-top: 1px solid #eee;
+  padding-top: 1rem;
+}
+
+.profile-field-row {
+  display: flex;
+  justify-content: space-between;
+  align-items: baseline;
+  padding: 0.55rem 0;
+  border-bottom: 1px solid #f0f0f0;
+  gap: 1rem;
+}
+
+.profile-field-label {
+  font-size: 0.85rem;
+  font-weight: 600;
+  color: #888;
+  flex-shrink: 0;
+}
+
+.profile-field-value {
+  font-size: 0.95rem;
+  color: #222;
+  text-align: right;
+  word-break: break-word;
+}
+
+.profile-logout-btn {
+  width: 100%;
+  margin-top: 1rem;
+}
+
+.profile-loading {
+  color: #888;
+  font-size: 1rem;
+}
diff --git a/web/app/layout.js b/web/app/layout.js
index 86efbb81..0a50c8db 100644
--- a/web/app/layout.js
+++ b/web/app/layout.js
@@ -1,18 +1,21 @@
 import { Geist, Geist_Mono } from "next/font/google";
 import "./globals.css";
 import DisplayNav from "@/components/Navigation";
+import ClientProviders from "@/components/ClientProviders";
 
 export const metadata = {
   title: "Leon's Pet Store",
   description: "Generated by create next app",
 };
 
-export default function RootLayout({ children }) {
+export default function RootLayout({children}) {
   return (
     <html lang="en">
       <body>
-        <DisplayNav />
-        {children}
+        <ClientProviders>
+          <DisplayNav />
+          {children}
+        </ClientProviders>
       </body>
     </html>
   );
diff --git a/web/app/login/page.js b/web/app/login/page.js
new file mode 100644
index 00000000..32c05c52
--- /dev/null
+++ b/web/app/login/page.js
@@ -0,0 +1,75 @@
+"use client";
+
+import { useState } from "react";
+import { useRouter } from "next/navigation";
+import { useAuth } from "@/context/AuthContext";
+
+export default function LoginPage() {
+  const {login} = useAuth();
+  const router = useRouter();
+
+  const [username, setUsername] = useState("");
+  const [password, setPassword] = useState("");
+  const [error, setError] = useState("");
+  const [loading, setLoading] = useState(false);
+
+  async function handleSubmit(e) {
+    e.preventDefault();
+    setError("");
+    setLoading(true);
+
+    try {
+      await login(username, password);
+      router.push("/");
+    } 
+    
+    catch (err) {
+      setError(err.message);
+    } 
+    
+    finally {
+      setLoading(false);
+    }
+  }
+
+  return (
+    <main className="auth-page">
+      <div className="auth-card">
+        <h1 className="auth-title">Log In</h1>
+
+        {error && <p className="auth-error">{error}</p>}
+
+        <form className="auth-form" onSubmit={handleSubmit}>
+          <label className="auth-label">
+            Username
+            <input className="auth-input"
+              type="text"
+              value={username}
+              onChange={(e) => setUsername(e.target.value)}
+              required
+              autoComplete="username"/>
+          </label>
+
+          <label className="auth-label">
+            Password
+            <input className="auth-input"
+              type="password"
+              value={password}
+              onChange={(e) => setPassword(e.target.value)}
+              required
+              autoComplete="current-password"/>
+          </label>
+
+          <button className="auth-submit-btn" type="submit" disabled={loading}>
+            {loading ? "Logging in…" : "Log In"}
+          </button>
+        </form>
+
+        <p className="auth-switch">
+          Don&apos;t have an account?{" "}
+          <a href="/register" className="auth-switch-link">Register here</a>
+        </p>
+      </div>
+    </main>
+  );
+}
diff --git a/web/app/page.js b/web/app/page.js
index 6aea5518..4819bd7d 100644
--- a/web/app/page.js
+++ b/web/app/page.js
@@ -7,10 +7,10 @@ import { useState, useEffect } from "react";
 export default function Home() {
   //Slideshow images array
   const slideshowImages = [
-    { src: "/images/home/slideshow/pet1.jpg", alt: "Happy pets" },
-    { src: "/images/home/slideshow/pet2.jpg", alt: "Pet supplies" },
-    { src: "/images/home/slideshow/pet3.jpg", alt: "Pet grooming" },
-    { src: "/images/home/slideshow/pet4.jpg", alt: "Pet food" },
+    {src: "/images/home/slideshow/pet1.jpg", alt: "Happy pets"},
+    {src: "/images/home/slideshow/pet2.jpg", alt: "Pet supplies"},
+    {src: "/images/home/slideshow/pet3.jpg", alt: "Pet grooming"},
+    {src: "/images/home/slideshow/pet4.jpg", alt: "Pet food"},
   ];
 
   const [currentSlide, setCurrentSlide] = useState(0);
@@ -25,10 +25,10 @@ export default function Home() {
 
   //Hyperlinks to other pages
   const navImages = [
-    { src: "/images/home/navimages/adopt.jpg", alt: "Adopt a Pet", link: "/adopt", title: "Adopt a Pet" },
-    { src: "/images/home/navimages/store.jpg", alt: "Online Store", link: "/store", title: "Online Store" },
-    { src: "/images/home/navimages/appointments.jpg", alt: "Appointments", link: "/appointments", title: "Appointments" },
-    { src: "/images/home/navimages/about.jpg", alt: "About Us", link: "/about", title: "About Us" },
+    {src: "/images/home/navimages/adopt.jpg", alt: "Adopt a Pet", link: "/adopt", title: "Adopt a Pet"},
+    {src: "/images/home/navimages/store.jpg", alt: "Online Store", link: "/store", title: "Online Store"},
+    {src: "/images/home/navimages/appointments.jpg", alt: "Appointments", link: "/appointments", title: "Appointments"},
+    {src: "/images/home/navimages/about.jpg", alt: "About Us", link: "/about", title: "About Us"},
   ];
 
   return (
diff --git a/web/app/profile/page.js b/web/app/profile/page.js
new file mode 100644
index 00000000..fcc903cc
--- /dev/null
+++ b/web/app/profile/page.js
@@ -0,0 +1,61 @@
+"use client";
+
+import { useEffect } from "react";
+import { useRouter } from "next/navigation";
+import { useAuth } from "@/context/AuthContext";
+
+export default function ProfilePage() {
+  const { user, loading, logout } = useAuth();
+  const router = useRouter();
+
+  useEffect(() => {
+    if (!loading && !user) {
+      router.replace("/login");
+    }
+  }, [user, loading, router]);
+
+  function handleLogout() {
+    logout();
+
+    router.push("/");
+  }
+
+  if (loading || !user) {
+    return <main className="auth-page"><p className="profile-loading">Loading…</p></main>;
+  }
+
+  const fields = [
+    {label: "Full Name", value: user.fullName},
+    {label: "Username", value: user.username},
+    {label: "Email", value: user.email},
+    {label: "Phone", value: user.phone || "—"},
+    {label: "Role", value: user.role},
+    ...(user.storeName ? [{label: "Store", value: user.storeName}] : []),
+  ];
+
+  return (
+    <main className="auth-page">
+      <div className="profile-card">
+        <div className="profile-avatar-circle">
+          {(user.fullName || user.username).charAt(0).toUpperCase()}
+        </div>
+
+        <h1 className="profile-name">{user.fullName || user.username}</h1>
+        <span className="profile-role-badge">{user.role}</span>
+
+        <dl className="profile-fields">
+          {fields.map(({ label, value }) => (
+            <div key={label} className="profile-field-row">
+              <dt className="profile-field-label">{label}</dt>
+              <dd className="profile-field-value">{value}</dd>
+            </div>
+          ))}
+        </dl>
+
+        <button className="auth-submit-btn profile-logout-btn" onClick={handleLogout}>
+          Log Out
+        </button>
+      </div>
+    </main>
+  );
+}
diff --git a/web/app/register/page.js b/web/app/register/page.js
new file mode 100644
index 00000000..20dcd2c1
--- /dev/null
+++ b/web/app/register/page.js
@@ -0,0 +1,151 @@
+"use client";
+
+import { useState } from "react";
+import { useRouter } from "next/navigation";
+import { useAuth } from "@/context/AuthContext";
+
+export default function RegisterPage() {
+  const {register} = useAuth();
+  const router = useRouter();
+
+  const [form, setForm] = useState({
+    fullName: "",
+    username: "",
+    email: "",
+    phone: "",
+    password: "",
+    confirmPassword: "",});
+
+  const [error, setError] = useState("");
+  const [loading, setLoading] = useState(false);
+
+  function handleChange(e) {
+    setForm((prev) => ({ ...prev, [e.target.name]: e.target.value }));
+  }
+
+  async function handleSubmit(e) {
+    e.preventDefault();
+    setError("");
+
+    if (form.password !== form.confirmPassword) {
+      setError("Passwords do not match.");
+      return;
+    }
+
+    setLoading(true);
+    try {
+      await register({fullName: form.fullName,
+        username: form.username,
+        email: form.email,
+        phone: form.phone,
+        password: form.password,
+      });
+      router.push("/");
+    } 
+    
+    catch (err) {
+      setError(err.message);
+    } 
+    
+    finally {
+      setLoading(false);
+    }
+  }
+
+  return (
+    <main className="auth-page">
+      <div className="auth-card">
+        <h1 className="auth-title">Create Account</h1>
+
+        {error && <p className="auth-error">{error}</p>}
+
+        <form className="auth-form" onSubmit={handleSubmit}>
+          <label className="auth-label">
+            Full Name
+            <input
+              className="auth-input"
+              type="text"
+              name="fullName"
+              value={form.fullName}
+              onChange={handleChange}
+              required
+            />
+          </label>
+
+          <label className="auth-label">
+            Username
+            <input
+              className="auth-input"
+              type="text"
+              name="username"
+              value={form.username}
+              onChange={handleChange}
+              required
+              minLength={3}
+            />
+          </label>
+
+          <label className="auth-label">
+            Email
+            <input
+              className="auth-input"
+              type="email"
+              name="email"
+              value={form.email}
+              onChange={handleChange}
+              required
+            />
+          </label>
+
+          <label className="auth-label">
+            Phone
+            <input
+              className="auth-input"
+              type="tel"
+              name="phone"
+              value={form.phone}
+              onChange={handleChange}
+              required
+            />
+          </label>
+
+          <label className="auth-label">
+            Password
+            <input
+              className="auth-input"
+              type="password"
+              name="password"
+              value={form.password}
+              onChange={handleChange}
+              required
+              minLength={6}
+              autoComplete="new-password"
+            />
+          </label>
+
+          <label className="auth-label">
+            Confirm Password
+            <input
+              className="auth-input"
+              type="password"
+              name="confirmPassword"
+              value={form.confirmPassword}
+              onChange={handleChange}
+              required
+              autoComplete="new-password"
+            />
+          </label>
+
+          <button className="auth-submit-btn" type="submit" disabled={loading}>
+            {loading ? "Creating account…" : "Register"}
+          </button>
+        </form>
+
+        <p className="auth-switch">
+          Already have an account?{" "}
+          <a href="/login" className="auth-switch-link">Log in here</a>
+        </p>
+      </div>
+    </main>
+  );
+}
diff --git a/web/components/ClientProviders.js b/web/components/ClientProviders.js
new file mode 100644
index 00000000..64e8157a
--- /dev/null
+++ b/web/components/ClientProviders.js
@@ -0,0 +1,7 @@
+"use client";
+
+import { AuthProvider } from "@/context/AuthContext";
+
+export default function ClientProviders({children}) {
+  return <AuthProvider>{children}</AuthProvider>;
+}
diff --git a/web/components/Navigation.js b/web/components/Navigation.js
index f7de55e8..2e7f7cac 100644
--- a/web/components/Navigation.js
+++ b/web/components/Navigation.js
@@ -1,26 +1,53 @@
-import Link from "next/link";
+"use client";
+
 import Image from "next/image";
+import { useRouter } from "next/navigation";
+import { useAuth } from "@/context/AuthContext";
 
 export default function DisplayNav() {
+  const {user, logout, loading} = useAuth();
+  const router = useRouter();
+
+  function handleLogout() {
+    logout();
+    router.push("/");
+  }
+
   return (
     <nav className="navbar">
-  <Image
-    className="mx-3"
-    src="/logo_simple.png"
-    alt="store_logo"
-    width={50}
-    height={50}
-    id="logo"
-  />
-  
-  <div className="nav-links">
-    <a href="/" className="nav-link">Home</a>
-    <a href="/adopt" className="nav-link">Adopt a Pet</a>
-    <a href="/" className="nav-link">Online Store</a>
-    <a href="/appointments" className="nav-link">Schedule an Appointment</a>
-    <a href="/contact" className="nav-link">Contact Us</a>
-    <a href="/aboutus" className="nav-link">About Us</a>
-  </div>
-</nav>
+      <Image className="mx-3"
+        src="/logo_simple.png"
+        alt="store_logo"
+        width={50}
+        height={50}
+        id="logo"/>
+
+      <div className="nav-links">
+        <a href="/" className="nav-link">Home</a>
+        <a href="/adopt" className="nav-link">Adopt a Pet</a>
+        <a href="/" className="nav-link">Online Store</a>
+        <a href="/appointments" className="nav-link">Schedule an Appointment</a>
+        <a href="/contact" className="nav-link">Contact Us</a>
+        <a href="/aboutus" className="nav-link">About Us</a>
+      </div>
+
+      <div className="nav-auth">
+        {loading ? null : user ? (
+          <>
+            <a href="/profile" className="nav-link nav-greeting">
+              Hello, {user.fullName || user.username}
+            </a>
+            <button className="nav-logout-btn" onClick={handleLogout}>
+              Log Out
+            </button>
+          </>
+        ) : (
+          <>
+            <a href="/login" className="nav-link">Log In</a>
+            <a href="/register" className="nav-link nav-register-btn">Register</a>
+          </>
+        )}
+      </div>
+    </nav>
   );
 }
\ No newline at end of file
diff --git a/web/context/AuthContext.js b/web/context/AuthContext.js
new file mode 100644
index 00000000..5a9b0d08
--- /dev/null
+++ b/web/context/AuthContext.js
@@ -0,0 +1,107 @@
+"use client";
+
+import { createContext, useContext, useState, useEffect, useCallback } from "react";
+
+const AuthContext = createContext(null);
+
+const TOKEN_KEY = "auth_token";
+
+async function fetchCurrentUser(token) {
+  const res = await fetch("/api/v1/auth/me", {
+    headers: { Authorization: `Bearer ${token}` },
+  });
+  if (!res.ok) return null;
+  return res.json();
+}
+
+export function AuthProvider({ children }) {
+  const [user, setUser] = useState(null);
+  const [token, setToken] = useState(null);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    const stored = localStorage.getItem(TOKEN_KEY);
+    if (!stored) {
+      setLoading(false);
+
+      return;
+    }
+    fetchCurrentUser(stored)
+      .then((data) => {
+        if (data) {
+          setToken(stored);
+          setUser(data);
+        } 
+        
+        else {
+          localStorage.removeItem(TOKEN_KEY);
+        }
+      }).catch(() => localStorage.removeItem(TOKEN_KEY)).finally(() => setLoading(false));}, []);
+
+  const login = useCallback(async (username, password) => {
+    const res = await fetch("/api/v1/auth/login", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ username, password }),
+    });
+
+    const data = await res.json();
+
+    if (!res.ok) {
+      throw new Error(data.message || "Login failed");
+    }
+
+    const jwt = data.token;
+    localStorage.setItem(TOKEN_KEY, jwt);
+    setToken(jwt);
+
+    const userInfo = await fetchCurrentUser(jwt);
+
+    setUser(userInfo);
+
+    return userInfo;
+  }, []);
+
+  const register = useCallback(async ({ username, password, email, fullName, phone }) => {
+    const res = await fetch("/api/v1/auth/register", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ username, password, email, fullName, phone }),
+    });
+    const data = await res.json();
+
+    if (!res.ok) {
+      throw new Error(data.message || "Registration failed");
+    }
+
+    const jwt = data.token;
+
+    localStorage.setItem(TOKEN_KEY, jwt);
+    setToken(jwt);
+
+    const userInfo = await fetchCurrentUser(jwt);
+    setUser(userInfo);
+
+    return userInfo;
+  }, []);
+
+  const logout = useCallback(() => {
+    localStorage.removeItem(TOKEN_KEY);
+    setToken(null);
+    setUser(null);}, []);
+
+  return (
+    <AuthContext.Provider value={{ user, token, loading, login, logout, register }}>
+      {children}
+    </AuthContext.Provider>
+  );
+}
+
+export function useAuth() {
+  const ctx = useContext(AuthContext);
+  if (!ctx) {
+    throw new Error("useAuth must be used within an AuthProvider");
+  }
+
+  return ctx;
+}